Ardell Lashtite Dark Adhesive for Individual Lashes — a deep-colored, waterproof glue designed to be used with DuraLash Individual lashes. This adhesive goes on smoothly and keeps lashes secure and comfortable for up to 14 days. Key benefits: easy to apply; formulated for use with DuraLash Individual lashes. How to use: apply a single drop of LashTite to the tip of the individual lash. Wait about 30 seconds for it to become tacky, then place it at the desired location.